FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

PETRELLO ANTHONY G 		2. Issuer Name and Ticker or Trading Symbol

NABORS INDUSTRIES LTD [ NBR ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
CHAIRMAN, PRESIDENT & CEO
(Last)          (First)          (Middle)

C/O NABORS CORPORATE SERVICES, 515 WEST GREENS ROAD 		3. Date of Earliest Transaction (MM/DD/YYYY)

2/17/2017
(Street)

HOUSTON, TX 77067
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock   2/17/2017     D (1)    126081   D $0   3777014   D    
Common Stock   2/17/2017     F (2)    79646   D $15.31   3697368   D    
Common Stock   2/17/2017     A (3)    381424   A $0   4078792   D    
Common Stock   2/20/2017     F (4)    1809   D $15.31   4076983   D    
Common Stock   2/21/2017     F (5)    50664   D $15.31   3501967   D    
Common Stock                  5484481   I   Trust  

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Explanation of Responses:
( 1)  Represents the forfeiture of performance-based shares granted to Mr. Petrello on January 1, 2014 that were eligible to vest following the end of a three-year performance period (January 1, 2014 to December 31, 2016) based on the Company's relative total shareholder return ("TSR") against a peer group of companies. Upon grant, the maximum vesting amount was reported in Table I of Form 4. Effective February 17, 2017, the Compensation Committee of the Board of Directors determined that, based on the Company's relative TSR performance over the applicable performance period, 189,123 performance shares would vest and 126,081 performance shares would be forfeited.
( 2)  Reflects the number of shares surrendered to satisfy the tax withholding on the vesting of 189,123 performance shares on February 17, 2017. The remaining shares were retained by the executive.
( 3)  These performance shares were earned pursuant to Mr. Petrello's employment agreement based upon the achievement of certain objectives for the year 2016 as determined by the Compensation Committee of the Board of Directors on February 17, 2017. The shares are scheduled to vest in three (3) equal annual installments beginning on the first anniversary of the date of the award.
( 4)  Reflects the number of shares surrendered to satisfy the tax withholding on the vesting of 76,945 shares of restricted stock on February 20, 2017. The remaining shares were retained by the executive.
( 5)  Reflects the number of shares surrendered to satisfy the tax withholding on the vesting of 120,771 shares of restricted stock on February 21, 2017. The remaining shares were retained by the executive.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
PETRELLO ANTHONY G
C/O NABORS CORPORATE SERVICES
515 WEST GREENS ROAD
HOUSTON, TX 77067 		X
CHAIRMAN, PRESIDENT & CEO

Signatures
/s/ Mark D. Andrews by Power of Attorney for Anthony G. Petrello 2/21/2017
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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